Information System Security Officer (ISSO)

Location: Remote

• We are seeking an experienced Information System Security Officer (ISSO) to support implementing and maintaining the cybersecurity posture of mission-critical finance-related systems. This role is responsible for supporting Risk Management Framework (RMF) compliance, Authority to Operate (ATO) activities, continuous monitoring, cybersecurity audit readiness, and security compliance across enterprise data environments. The successful candidate will work closely with cybersecurity, engineering, system architecture, and Government stakeholders to implement and maintain security controls in a cloud environment while supporting recurring FISCAM, NIST, RMF, and financial management security compliance activities.
• The key responsibilities of the Information System Security Officer (ISSO) include:
• Support implementation and enforcement of cybersecurity policies and controls in accordance with DoD RMF, NIST 800-53, and Air Force guidance
• Support security compliance activities for enterprise financial data and system integrations via implementing and maintaining RMF Financial Management (FM) Overlay security controls
• Support ATO lifecycle activities, including control implementation, validation, and continuous monitoring
• Develop, maintain, and update RMF documentation, including System Security Plans (SSPs), POA&Ms, security control implementation evidence, assessment artifacts, and other ATO and FISCAM audit readiness documentation
• Support recurring Government cybersecurity and financial audits by preparing documentation, responding to auditor requests, and participating in technical walkthroughs
• Evaluate and validate security controls for systems, applications, and integrations, including cloud and API-based architectures
• Support incident response activities, including detection, reporting, and coordination with cybersecurity teams
• Track, document, and support remediation of security findings through Corrective Action Plans (CAPs)
• Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system/program/enclave
• Do you have what it takes? Are you driven to implement creative solutions that unravel complex and ever-changing challenges? We value passion, curiosity, and perseverance with an ability to communicate ideas and results to diverse audiences. We look for people who thrive in collaborative and independent assignments, have the aptitude to learn new data quickly, and who are willing to mentor junior team members.